Real Avid Rubberized Non-Slip AR15 Master Bench Block. When using these Receiver Vise Blocks & Reaction Rods developed by Real Avid you can tap 13 essential pins from 5 different components creating a more precise extraction to protect your firearm. This Real Avid Rifle Master Bench Block is constructed with an over-molded wrap for an enhanced no-slip grip. For ease of use all included tools are engraved marks for identification and the back of the block is magnetized to keep them from rolling away. Simplify your gunsmithing sessions with the help of these Real Avid AR15 Master Bench Block Tools. Specifications for Real Avid AR15 Master Bench Block: Manufacturer: Real Avid Gun Model: AR-15 Color: Black Condition: New Blade Material: Rubber Handle Material: Rubber Features of Real Avid AR15 Master Bench Block: Features: " Holds 5 key gun parts in 7 orientations to easily remove all pins Non-slip outer ring steadies block during use Embedded magnets hold small pins after removal Includes storage for common pin sizes Specs: 5 x 7 Work Surface Made from Ultra-Tough Engineering Resin Rubberized Non-Slip Outer Surface Four Strong Magnets Under Block Bolt (Horizontal) 1/16 and 3/32 Pins Bolt (Vertical) Gas Block (2) 1/8 and 5/64 Pins Upper Receiver Forward Assist 3/32 Pin Charging Handle 5/64 Pin Pin Storage: Trigger Guard 1/8 Pin Lower Receiver (Horizontal) Ejector Pusher Trigger Assembly (2) 5/32 Pins Package Contents: Real Avid AR15 Master Bench Block What firearm models does the manufacturer say Real Avid AR15 Master Bench Block is compatible with? The manufacturer suggests that Real Avid AR15 Master Bench Block is compatible with AR-15Real Avid AVAR15MBB: Rubberized Non-Slip AR15 Master Bench Block